Gary Fisher 2004 gary fisher bicycles Benutzerhandbuch
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CHAPTER THREE
Inspection, Adjustment & Lubrication
3 speed shift system
The internal shift system consists of those parts
of the bicycle which allow you to shift gears
including the shifter, rear hub, and shift cable.
The shifting mechanism is enclosed, keeping the
shifting system lubricated for low maintenance.
These instructions explain how to inspect, adjust,
and lubricate an internal shift system.
Inspection
A properly adjusted shift system is quiet. If an
unusual noise follows any shift, or while pedaling,
your shift cable may need to be adjusted. If after
adjustment the noise persists or grows louder, stop
the bicycle and try to locate the noise. If necessary,
ask your Fisher dealer to identify and correct any
problems. For more information about your shift
system consult your Fisher dealer.
system consult your Fisher dealer.
Once a month,
make sure the hub gears are
properly adjusted:
• On a Nexus 3 speed system, with the shifter in
• On a Nexus 3 speed system, with the shifter in
2nd gear, the indicator in the bell crank window
(Figure 3.5.4) should line up with the mark on the
push rod (Figure 3.3.5).
Once a month
, check the shift cable for kinks,
rust, broken strands, or frayed ends. Also check
the housing for bent ends, cuts, broken coils and
wear. If you suspect a problem with your shift
cable, do not ride your bicycle. Replace the cable
and/or housing before riding your bicycle by
following these instructions, or take your bike to
your Fisher dealer for service.
Figure 3.5.4 Three-speed bell
crank set screw
crank set screw
Set screw
Bell crank
window
Figure 3.5.5 Push rod
Push rod
Figure 3.5.3 Bell crank cover
and set screw
and set screw
Set
screw
Adjustment
To adjust the rear shifting
1. Rotate the shifter to the 2nd gear position.
2. Align the indicator on the bell crank window
2. Align the indicator on the bell crank window
with the line on the push rod.
3. If the lines do not line up, adjust the gear cable
tension by rotating the barrel adjuster (Figure
3.5.6) until this alignment is achieved.
4. Shift to 1st gear, then back to 2nd, and re-
check the adjustment.
Internal Shift Systems